JOHN: IN THE DAY'S OTHER HEADLINES RUSSIA STRUCK A PORT FACILITY THERE SOUTHERN UKRAINE OVERNIGHT.

EIGHT PEOPLE WERE KILLED AND 27 INJURED.

IT COMES AFTER MOSCOW THREATENED TO CUT UKRAINE OFF FROM THE BLACK SEA.

RUSSIA ALSO SAYS IT'S TAKEN CONTROL OF TWO MORE UKRAINIAN VILLAGES IN THE DONETSK AND SUMI REGIONS.

DESPITE U.S.

EFFORTS FOR A CEASEFIRE THE UKRAINIAN SOLDIER FIGHTING IN DONETSK SAID IT WOULD BE MEANINGLESS.

>> I DON'T BELIEVE IN A CEASEFIRE.

IT'S ALL JUST EMPTY TALK Y?

BECAUSE PUTIN WILL GATHER MORE FORCES, REGROUP, AND MOVE ON.

JOHN: A RUSSIAN ENVOY ARRIVED IN MIAMI TODAY FOR TALKS ON A U.S.

PLAN TO END THE WAR.

YESTERDAY, UKRAINIAN NEGOTIATORS BEGAN SEPARATE TALKS WITH U.S.

OFFICIALS IN MIAMI.

THE ISRAELI ARMY STRUCK A SCHOOL IN GAZA CITY THAT WAS SHELTERING DISPLACED PEOPLE.

THE DEAD AND WOUNDED WERE TAKEN TO ALSHIFA HOSPITAL.

AMONG SEVEN KILLED WERE SIX KILLED WHO WERE ASLEEP AND CELEBRATING A WEDDING AT A NEARBY CLASSROOM.

>> WE DISPERSED IN PANIC LOOKING FOR OUR LOVED ONES.

AND WE SAW BODY PARTS EVERYWHERE.

THE CHILDREN, THE ELDERLY, THE YOUNG, WOMEN, BODY PARTS EVERYWHERE.

THE JOY STOPPED IMMEDIATELY.

JOHN: THE ISRAELI MILITARY TOLD PBS NEWS THAT IT HAD TABBING A NUMBER OF SUSPICIOUS INDIVIDUALS BUT IS AWARE OF THE CLAIM OF CIVILIAN CASUALTIES AND THAT THE DETAILS ARE UNDER REVIEW.

CALLED IT A BRUTAL CRIME AND ANOTHER VIOLATION.

CEASEFIRE AGREEMENT FROM HAMAS.

U.S.

CENTRAL COMMAND HAS RELEASED VIDEO OF FRIDAY'S U.S.

STRIKES ON MORE THAN 70 TARGETS IN SYRIA, SET TO BE ISLAMIC STATE FIGHTERS AND WEAPONS.

IT WAS THE RETALIATION THAT PRESIDENT TRUMP PROMISED AFTER AN AMBUSH ATTACK LAST WEEK KILLED TWO U.S.

TROOPS AND A CIVILIAN AMERICAN INTERPRETER.

THE JORDANNIAN AIR FORCE CONFIRMED THAT IT JOINED THE U.S.

OPERATION TO PREVENT EXTREMIST GROUPS FROM THREATENING REGIONAL SECURITY.

AND A PARAPLEGIC ENGINEER FROM GERMANY HAS BECOME THE FIRST PERSON TO USE A WHEELCHAIR TO GO TO SPACE.

IT WAS A DREAM COME TRUE FOR MICHAELA BENTHOUSE AND BLASTED OFF ABOARD A BLUE OR GENERAL CAPSULE AND WITH OTHER SPACE TOURISTS AND THE 10-MINUTE FLIGHT WAS NEBRASKAED -- INTENDED TO LET THE PASSENGERS EXPERIENCE A FEW MINUTES OF WEIGHTLESSNESS IN OUTER SPACE.

STILL TO COME ON PBS NEWS WEEKEND, HOW ONLINE RETAILERS USE A.I.

TO ADJUST PRICES BASED ON WHAT THEY THINK YOU'RE WILLING TO PAY.

AND CELEBRATING THE LIFE OF TEMPLE GRANDIN.

RENOWNED ANIMAL SCIENTIST AND ADVOCATE FOR PEOPLE WITH AUTISM.

ASKS.

>> THIS IS PBS NEWS WEEKEND FROM THE DAVID M. RUBENSTEIN STUDIO AT WETA IN WASHINGTON, HOME OF THE "PBS NEWSHOUR," WEEK NIGHTS ON PBS.